Electrical Electric Fan Choices

Discussion in 'Fox 5.0 Mustang Tech' started by 90lxwhite, Nov 4, 2013.

  1. JohnnyP123

    JohnnyP123 New Member

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    Hey, just read the link you posted from Mopar mag, thanks. Yo, this fan is cooler than I thought. Mike, you seem knowledgeable, know anyone that's installed one of these Delta PAG fans?
     
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  2. jrichker

    jrichker StangNet's favorite TOOL
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    If you don't have a high current alternator, you can forget about using an electric fan. The stock 65 amp alternator on 86-93 Mustangs isn't big enough to run the fan and the rest of the car. If you have a 94 or later Mustang, the stock 3g alternator should be fine if it is working correctly.

    Switching a fan on and off manually is a bad idea. Too many guys have been distracted (hot girl kissing on their neck, too much to drink, dog tired and not thinking clearly) and cooked things because they forgot to flip the switch. An equal number have forgotten to turn the switch off for the same reasons and run down their battery.

    The best fan controller available today is a DC Control unit. www.dccontrol.com. Cost is about $???. Be prepared to wait 4 weeks or more to receive your controller once you have sent in your payment. The controllers are custom made in small lots and lead times can stretch out.

    Next best is a SPAL controller - $70-$120 See http://www.spalusa.com/store/Main.aspx?html=pwmv3. eBay will have the controllers for a bargain price: do a Google search and see what you find.

    At the bottom are the Hayden or Imperial controllers available through Advance Discount Auto Parts and AutoZone. The non adjustable one is about $30 ( Hayden 226206) and the adjustable one is about $60 (Hayden 226204). I recommend you do a Google search on Hayden and the part number for more info.

    Do not use a simple on/off switch without using a relay. The current load can burn up the typical cheap automotive switch very quickly. The fan draws 30+amps and you need to use #10 wire on the fan power and ground wiring.

    If you are good with electrical stuff (90% of the people here aren't), build your own controller. The numbers on the diagram (#86, #87, etc) refer to the numbers on the bottom of a typical automotive relay.

    [​IMG]

    Note that the temp sensor in the diagram needs to match the thermostat in your engine. The preferred arrangement is to have it open about 5 degrees above the thermostat.

    To allow the ignition switch to control the fan so that it does not run when the ignition is off, connect the relay contact #86 to the red/green wire on the ignition coil or to the red/yellow wire on the coolant level sensor.

    If you are an experienced electronics tech or electrical engineer, email me and I will send you the prototype drawings of a fan controller that is similar in function to the DC Control unit. It is a build it, troubleshoot it yourself item. I will not build or troubleshoot units, so it is not suitable for anyone who isn't really good with electronics.
    See my post at http://www.stangnet.com/mustang-for...-sooo-much-amperage-help.859590/#post-8645840 to get the drawings and full details.

    Alternate placement for a temp gauge sender or temp switch/temp sensor for an electric fan. Use the heater feed that comes off the intake manifold. Cut the rubber hose that connects the manifold water feed to the heater and splice in a tee adapter for the temp gauge sender. Be sure to use the same water feed line as the ECT sensor. That way you will get the most accurate temp readings.

    Tee adapter info:
    Make a pilgrimage to your local hardware or home supply center and get some copper pipe and a tee that fits the temp gauge sender. Solder two pieces of copper pipe onto a copper pipe tee with threads in the tee part. Find the correct brass fitting to match the temp sender threads to the tee fitting.

    [​IMG]
     
    #22
  3. JohnnyP123

    JohnnyP123 New Member

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    Wow, that alot of info, thanks jrichker for posting! I got a 66 mustang with alot of mods and a good stereo system. Yea, you're right about amp draw and I have an 100amp alternator now. Those startup power spikes will kill my 100amp alternator really quick. Do you know anything about these Delta PAG "brushless" fans? They claim only 16amp draw at 2,800CFM with soft-start operation. Any point of view will be appreciated. I'm going to call them on monday, have any good questions?
     
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  4. jrichker

    jrichker StangNet's favorite TOOL
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    Sorry, no experience with other than Ford OEM fans.
     
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  5. Blown88GT

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  6. Grabbin' Asphalt

    Grabbin' Asphalt Mustang Master

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    I hear good things from this install. I put on a Black Magic 2800cfm one and it works well too.
     
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  7. Grabbin' Asphalt

    Grabbin' Asphalt Mustang Master

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    Here is my Black Magic 175, believe it's pulls 2800cfm. Simple install, two bolt brackets up top and two down low.

    IMAG1015.jpg
    IMAG1017.jpg
     
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    Last edited: Feb 12, 2014
  8. Fordfreak93

    Fordfreak93 Member

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    I grabbed a fan out of a Nissan Quest minivan. Fits the stock radiator nicely
     
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  9. Noobz347

    Noobz347 Stangnet Facilities Maint Tech... Er... Janitor
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    Use a DC Controller and forget all that mess: http://www.dccontrol.com/constant_temperature_controllers.htm
     
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  10. madspeed

    madspeed Colonel Mustard
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    Agreed, DCC Controller here!
     
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  11. JohnnyP123

    JohnnyP123 New Member

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    DC Controller? What? I dont agree. Its $150 for just the controller, it doesn't have soft-start, you cant digitally adjust temp settings or speed of the fan. And it doesnt run brushless fans. Anywho, already bit the bullet on the Delta PAG 16" Kit for $350. I think its better than piecemealing together old technology. Its one month back-ordered so I'll report once I get it.

    Delta PAG vs DC Controller:
    [​IMG]
    [​IMG]
     
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  12. elarm1

    elarm1 Active Member

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    I don't know about these guys... I put an order in, waited almost three months, contacted with no response numerous times, then did a dispute through paypal to get my money back. I got my money back but still never heard from anyone at the company.
     
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  13. Noobz347

    Noobz347 Stangnet Facilities Maint Tech... Er... Janitor
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    I'd heard of these kinds of issues with DCC before. I've got two that I bought from people right here on SN through the classifieds. One of them I have installed. The other is going in my 89. So I cannot attest to how responsive the company is, first hand.
     
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  14. madspeed

    madspeed Colonel Mustard
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    Brian Baskins over on the Corral is the owner, maker, etc of the DCC controllers. His customer service is known to be sub par to say the least. I have always gotten quick respinses and good technical help from him, mostly through pm's.

    You mention that digital unit is on about a 1 month backorder. Sounds like the same thing with DCC
     
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  15. Decipha

    Decipha Member

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